linux-kernel - Re: [PATCH] libata-sff: fix 32-bit PIO regression

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Message-ID: <498F5873.1080906@ru.mvista.com>
Date:	Mon, 09 Feb 2009 01:10:59 +0300
From:	Sergei Shtylyov <sshtylyov@...mvista.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	jgarzik@...ox.com, linux-ide@...r.kernel.org,
	linux-kernel@...r.kernel.org, rjw@...k.pl
Subject: Re: [PATCH] libata-sff: fix 32-bit PIO regression

Hello.

Alan Cox wrote:

>> swapping bytes to and fro as well by using io*_rep() which shouldn't byte-swap.
>>     
>
> Nice - thats a very sneaky and clean way to do it but probably should be
> commented or someone will "optimise" it one day ..
>   

   OK, I'll recast and repost it -- along with the patch cleaning up the 
corresponding fragment of the 16-bit I/O method.

MBR, Sergei


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